<extend name="Layout/main" />
<block name="css"></block>
<block name="style"></block>
<block name="js"></block>
<block name="script"></block>
<block name="model">模型x</block>
<block name="controller">控制器x</block>
<block name="action">方法x</block>
<block name="desc">描述x</block>
<block name="content">contentx</block>